Month: February 2022

CAN bus on Banana Pi M2 Berry

The BPI M2 Berry is based on the Allwinner V40 chip, which includes a CAN controller. Unfortunately, the CAN pins are not exposed on the PCB, but used for connecting LEDs and Ethernet instead. In order to make the CAN bus work on BPI M2B, the following steps are required: Hardware modification Kernel patching Device tree overlay Hardware modification The…